A HIGH FREQUENCY MULTICHANNEL DIVERSITY DIFFERENTIAL PHASE SHIFT (DPSK) COMMUNICATIONS SYSTEM - Patent 0527819

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EP 0 527 819 A1

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(43)	Date of publication:
	24.02.1993 Bulletin 1993/08

(21)	Application number: 91908550.0

(22)	Date of filing: 30.04.1991

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International Patent Classification (IPC):

H04B 7/ 12^{( . )}

H04L 1/ 04^{( . )}

(86)	International application number:
	PCT/GB1991/000682

(87)	International publication number:
	WO 1991/018458 (28.11.1991 Gazette 1991/27)

(84)	Designated Contracting States:
	AT BE DE DK FR GB IT LU NL SE

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Priority:

11.05.1990 GB 19900010637

(71)	Applicant: THE SECRETARY OF STATE FOR DEFENCE IN HER BRITANNIC MAJESTY'S GOVERNMENT OF THE UNITED KINGDOM OF GREAT BRITAIN AND NORTHERN
	London SW1A 2HB (GB)

(72)	Inventor:
	WILKINSON, Robert Portsmouth Hampshire PO8 8RJ (GB)

(74)	Representative: Beckham, Robert William
	Defence Research Agency Intellectual Property Department DRA Farnborough Farnborough, Hants. GU14 6TD Farnborough, Hants. GU14 6TD (GB)

(54)	A HIGH FREQUENCY MULTICHANNEL DIVERSITY DIFFERENTIAL PHASE SHIFT (DPSK) COMMUNICATIONS SYSTEM